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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

The Reaction of Dienes with [Fe(Pri2P(CH2)nPPri2)] Species

  • B. Gabor , R. Goddard , S. Holle , P. W. Jolly , C. Krüger , R. Mynott and W. Wisniewski

The structure of the compounds formed upon reacting Fe(Pri2P(CH2)nPPri2)Cl2 (n = 1-3) and active-Mg with acyclic and cyclic 1,3-, 1,4- and 1,5-dienes depends upon the nature of the diene and upon the length of the methylene-chain bridging the two P-atoms of the bidentate ligand. For example, isoprene reacts to give either (η4-isoprene)2FePPri2C2H4PPri2 or (η4-isoprene)Fe(Pri2PC3H6PPri2) while the products of the reaction with 1,5-hexadiene are (η5-1-methylpentadienyl)Fe(Pri2PC2H4PPri2)H or (η22-1,5-hexadiene)Fe(Pri2PC3H6PPri2). The crystal structures of the last two compounds have been established by X-ray diffraction. The penultimate species catalyses the linear dimerization of 1,5-hexadiene.

Received: 1994-9-15
Published Online: 2014-6-2
Published in Print: 1995-4-1

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